I have tried the Cudy WR3000S v1 as my main router but i’m suffering a very slow upload.
I’m using the newest OpenWrt 24.10.3 r28872-daca7c049b , but I have also tried 24.10.2.
On my 1gb/1gb , I only got 908mb/105mb , where I on my nanopi r5s get around 920mb/900mb.
All measurements are on a wired cable.
Any thoughts…
Thank Michael.
Please connect to your OpenWrt device using ssh and copy the output of the following commands and post it here using the "Preformatted text </> " button:
Remember to redact passwords, VPN keys, MAC addresses and any public IP addresses you may have:
ubus call system board
cat /etc/config/network
cat /etc/config/wireless
cat /etc/config/dhcp
cat /etc/config/firewall
2 Likes
brada4
October 5, 2025, 6:11pm
3
Please add the result of https://www.waveform.com/tools/bufferbloat
and ethtool wan and ethtool lan (port you connect to)
1 Like
ubus call system board
{
"kernel": "6.6.104",
"hostname": "OpenWrt",
"system": "ARMv8 Processor rev 4",
"model": "Cudy WR3000S v1",
"board_name": "cudy,wr3000s-v1",
"rootfs_type": "squashfs",
"release": {
"distribution": "OpenWrt",
"version": "24.10.3",
"revision": "r28872-daca7c049b",
"target": "mediatek/filogic",
"description": "OpenWrt 24.10.3 r28872-daca7c049b",
"builddate": "1758316778"
}
}
cat /etc/config/network
config interface 'loopback'
option device 'lo'
option proto 'static'
option ipaddr '127.0.0.1'
option netmask '255.0.0.0'
config globals 'globals'
option ula_prefix 'fd1e:272:889b::/48'
option packet_steering '2'
config device
option name 'br-lan'
option type 'bridge'
list ports 'lan1'
list ports 'lan2'
list ports 'lan3'
list ports 'lan4'
config interface 'lan'
option device 'br-lan'
option proto 'static'
option ipaddr '172.16.0.41'
option netmask '255.255.0.0'
option ip6assign '60'
list dns '8.8.8.8'
list dns '1.1.1.1'
config interface 'wan'
option device 'wan.101'
option proto 'dhcp'
option peerdns '0'
list dns '208.67.222.222'
list dns '8.8.8.8'
config interface 'wan6'
option device 'wan.101'
option proto 'dhcpv6'
option reqaddress 'try'
option reqprefix 'auto'
option norelease '1'
option disabled '1'
config device
option type '8021q'
option ifname 'wan'
option vid '101'
option name 'wan.101'
cat /etc/config/wireless
config wifi-device 'radio0'
option type 'mac80211'
option path 'platform/soc/18000000.wifi'
option band '2g'
option channel '1'
option htmode 'HE20'
option cell_density '0'
option country 'DK'
config wifi-iface 'default_radio0'
option device 'radio0'
option network 'lan'
option mode 'ap'
option ssid 'secret'
option encryption 'psk2'
option key 'secret'
config wifi-device 'radio1'
option type 'mac80211'
option path 'platform/soc/18000000.wifi+1'
option band '5g'
option channel '36'
option htmode 'HE80'
option country 'DK'
option cell_density '0'
config wifi-iface 'default_radio1'
option device 'radio1'
option network 'lan'
option mode 'ap'
option ssid 'secret'
option encryption 'psk2'
option key 'secret'
cat /etc/config/dhcp
config dnsmasq
option domainneeded '1'
option localise_queries '1'
option rebind_protection '1'
option rebind_localhost '1'
option local '/lan/'
option domain 'lan'
option expandhosts '1'
option cachesize '1000'
option authoritative '1'
option readethers '1'
option leasefile '/tmp/dhcp.leases'
option resolvfile '/tmp/resolv.conf.d/resolv.conf.auto'
option localservice '1'
option ednspacket_max '1232'
option confdir '/tmp/dnsmasq.d'
list server '8.8.8.8'
list server '1.1.1.1'
config dhcp 'lan'
option interface 'lan'
option start '193'
option limit '40'
option leasetime '1h'
option dhcpv4 'server'
option dhcpv6 'server'
option ra 'server'
list ra_flags 'managed-config'
list ra_flags 'other-config'
option dns_service '0'
list dhcp_option '6,208.67.222.222,8.8.8.8'
config dhcp 'wan'
option interface 'wan'
option ignore '1'
config odhcpd 'odhcpd'
option maindhcp '0'
option leasefile '/tmp/hosts/odhcpd'
option leasetrigger '/usr/sbin/odhcpd-update'
option loglevel '4'
cat /etc/config/firewall
config defaults
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'ACCEPT'
option synflood_protect '1'
option flow_offloading '0'
option flow_offloading_hw '0'
config zone
option name 'lan'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'ACCEPT'
list network 'lan'
config zone
option name 'wan'
option input 'REJECT'
option output 'ACCEPT'
option forward 'REJECT'
option masq '1'
option mtu_fix '1'
list network 'wan'
list network 'wan6'
config forwarding
option src 'lan'
option dest 'wan'
config rule
option name 'Allow-DHCP-Renew'
option src 'wan'
option proto 'udp'
option dest_port '68'
option target 'ACCEPT'
option family 'ipv4'
config rule
option name 'Allow-Ping'
option src 'wan'
option proto 'icmp'
option icmp_type 'echo-request'
option family 'ipv4'
option target 'ACCEPT'
config rule
option name 'Allow-IGMP'
option src 'wan'
option proto 'igmp'
option family 'ipv4'
option target 'ACCEPT'
config rule
option name 'Allow-DHCPv6'
option src 'wan'
option proto 'udp'
option dest_port '546'
option family 'ipv6'
option target 'ACCEPT'
config rule
option name 'Allow-MLD'
option src 'wan'
option proto 'icmp'
option src_ip 'fe80::/10'
list icmp_type '130/0'
list icmp_type '131/0'
list icmp_type '132/0'
list icmp_type '143/0'
option family 'ipv6'
option target 'ACCEPT'
config rule
option name 'Allow-ICMPv6-Input'
option src 'wan'
option proto 'icmp'
list icmp_type 'echo-request'
list icmp_type 'echo-reply'
list icmp_type 'destination-unreachable'
list icmp_type 'packet-too-big'
list icmp_type 'time-exceeded'
list icmp_type 'bad-header'
list icmp_type 'unknown-header-type'
list icmp_type 'router-solicitation'
list icmp_type 'neighbour-solicitation'
list icmp_type 'router-advertisement'
list icmp_type 'neighbour-advertisement'
option limit '1000/sec'
option family 'ipv6'
option target 'ACCEPT'
config rule
option name 'Allow-ICMPv6-Forward'
option src 'wan'
option dest '*'
option proto 'icmp'
list icmp_type 'echo-request'
list icmp_type 'echo-reply'
list icmp_type 'destination-unreachable'
list icmp_type 'packet-too-big'
list icmp_type 'time-exceeded'
list icmp_type 'bad-header'
list icmp_type 'unknown-header-type'
option limit '1000/sec'
option family 'ipv6'
option target 'ACCEPT'
config rule
option name 'Allow-IPSec-ESP'
option src 'wan'
option dest 'lan'
option proto 'esp'
option target 'ACCEPT'
config rule
option name 'Allow-ISAKMP'
option src 'wan'
option dest 'lan'
option dest_port '500'
option proto 'udp'
option target 'ACCEPT'
config rule
option name 'Reject-IPv6'
option family 'ipv6'
option src 'wan'
option dest '*'
option target 'REJECT'
option enabled '0'
brada4
October 5, 2025, 6:58pm
5
disable this fw rule, it does nothing.
ethernet link parameters please?
1 Like
ethtool wan
Settings for wan:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Link partner advertised FEC modes: Not reported
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: external
Auto-negotiation: on
MDI-X: Unknown
Supports Wake-on: d
Wake-on: d
Link detected: yes
ethtool lan1
Settings for lan1:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Link partner advertised FEC modes: Not reported
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: external
Auto-negotiation: on
MDI-X: Unknown
Supports Wake-on: d
Wake-on: d
Link detected: yes
brada4
October 5, 2025, 7:11pm
8
Is it windows qos reservations enabled on client (that can not be disabled without gpo)?
port status looks OK.
These test are done using ubuntu 24.4.3 , Don’t use Windows at all , If it’s what your are referring too…
1 Like
brada4
October 5, 2025, 7:39pm
10
ok, check ethtool on ubuntu
then from 3 involved ifaces
ethtool -S ifaceX | grep -v :\ 0$
And from 2 systems
cat /proc/net/softnet_stat
(2nd 3rd columns should be very small or zero)
I got similar device and it does gigabit across without a hiccup, both directions at once….
topsbr
October 5, 2025, 7:57pm
11
Hi michaelvv
Check your network cable too...
I have a similar problem, ethtool says that all is allright...
One cable are bad... and the problem was intermittent.
Cables is fine.. I have used my nanopi r5s this morning with sufficient upload speed…
1 Like
openwrt
cat /proc/net/softnet_stat
01041171 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00002096 00000000 00000000 00000000 00000000 00000000
018a88a9 00000000 00000a57 00000000 00000000 00000000 00000000 00000000 00000000 001f2901 00000000 00000000 00000001 00000000 00000000
ubuntu
sudo cat /proc/net/softnet_stat
014cef4c 00000000 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00009528 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001 00000000 00000000
000276a7 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000002 00000000 00000000
0001172c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000003 00000000 00000000
00017cac 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000004 00000000 00000000
00003fd5 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000005 00000000 00000000
00016817 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000006 00000000 00000000
000058e5 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000007 00000000 00000000
0000f53f 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000008 00000000 00000000
0000395b 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000009 00000000 00000000
000201ab 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000a 00000000 00000000
0004fcc5 00000000 0000003b 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000b 00000000 00000000
openwrt
ethtool -S wan | grep -v :\ 0$
NIC statistics:
tx_packets: 5444604
tx_bytes: 2862570445
rx_packets: 16446393
rx_bytes: 23409944429
TxUnicast: 5444551
TxMulticast: 50
TxBroadcast: 3
TxPktSz64: 811415
TxPktSz65To127: 2854002
TxPktSz128To255: 16442
TxPktSz256To511: 20322
TxPktSz512To1023: 11616
Tx1024ToMax: 1730807
TxBytes: 2885974658
RxDrop: 1195
RxUnicast: 16447572
RxMulticast: 16
RxPktSz64: 5660
RxPktSz65To127: 816825
RxPktSz128To255: 45479
RxPktSz256To511: 25010
RxPktSz512To1023: 46417
RxPktSz1024ToMax: 15508197
RxBytes: 23477548791
RxIngressDrop: 1195
ethtool -S lan1 | grep -v :\ 0$
NIC statistics:
tx_packets: 17576174
tx_bytes: 24412592780
rx_packets: 6593404
rx_bytes: 3912294110
TxUnicast: 17513648
TxMulticast: 489
TxBroadcast: 2207
TxPktSz64: 18930
TxPktSz65To127: 1172309
TxPktSz128To255: 72090
TxPktSz256To511: 70732
TxPktSz512To1023: 72451
Tx1024ToMax: 16109832
TxBytes: 24389879265
RxDrop: 2
RxUnicast: 6576288
RxMulticast: 5795
RxBroadcast: 11324
RxPktSz64: 841128
RxPktSz65To127: 3226620
RxPktSz128To255: 32755
RxPktSz256To511: 62969
RxPktSz512To1023: 33815
RxPktSz1024ToMax: 2396120
RxBytes: 3938667936
RxIngressDrop: 2
ubuntu
sudo ethtool -S enx1cfd08715acc | grep -v :\ 0$
NIC statistics:
tx_packets: 39358170
rx_packets: 33847158
tx_errors: 1
rx_missed: 5551
rx_unicast: 33719132
rx_broadcast: 95578
rx_multicast: 32448
brada4
October 5, 2025, 8:18pm
14
ethtools -
Few packets are dropped in “Download” test direction, that is normal background noise.
softnet (this is one of my devices, checked before noting processing asymmetry in yours )
0103b2a1 00000000 0000000e 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
018425cf 00000000 00000011 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001 00000000 00000000
All looks fantastic, 1mm close to perfect, I am out of ideas.
Switch back to my nanopi r5s.. It’s lack some power when enabling sqm , but upload is fine again.
I’ll use my 3 cudy WR3000s as access points..
gameinn
October 6, 2025, 12:14pm
16
Some things I would try:
1: Not much info on how you flashed 24.10.2 or 24.10.3. To be absolutely sure, get anoher vanilla 24.10.3 image and don’t keep any settings when flashing. Start from scratch.
2: I also agree with @topsbr at bare minimum I would try 3 different cables. Maybe the Cudy just has slightly weird fault tolerances on the physical port. Have you really tried to put that bit extra pressure when clicking in?
3: You said you had 3 Cudy WR3000S. Is it the same behavior on all 3 if you follow the procedure in 1? Would rule out hardware problem unless it was a bad batch bought at the same time.
1 Like
Vanilla 24.10.3 , and I changed the cables….
The cables is nice and tight…
This is my second cudy…
Nothing really is changed from the first one…
Start with a default config. Put a computer on WAN. Set it with a static IP, so do on WAN port. Both out of LAN IPs range. Than try iperf3 tests. Goal is to get rid of ISP just in case.
1 Like
brada4
October 6, 2025, 3:35pm
19
iperf3 -Z -c <server>
iperf3 -Z -R -c <server>
iperf3 -Z --bidir -c <server>
iperf3 -Z -P 2 --bidir -c <server>
get “sum” lines of each vs the browser tests.
1 download
2 upload
3 both
4 both 2 threads each.
1 Like